<?php

class Backup extends Database
{
    public function backupTables($tables = array())
    {

    }

    private function backup_tables($host,$user,$pass,$name,$tables = '*')
    {

        $link = mysql_connect($host,$user,$pass);
        mysql_select_db($name,$link);

        //get all of the tables
        if($tables == '*')
        {
            $tables = array();
            $result = mysql_query('SHOW TABLES');
            while($row = mysql_fetch_row($result))
            {
                $tables[] = $row[0];
            }
        }
        else
        {
            $tables = is_array($tables) ? $tables : explode(',',$tables);
        }

        //cycle through
        foreach($tables as $table)
        {
            $result = mysql_query('SELECT * FROM '.$table);
            $num_fields = mysql_num_fields($result);

            $return.= 'DROP TABLE '.$table.';';
            $row2 = mysql_fetch_row(mysql_query('SHOW CREATE TABLE '.$table));
            $return.= "\n\n".$row2[1].";\n\n";

            for ($i = 0; $i < $num_fields; $i++)
            {
                while($row = mysql_fetch_row($result))
                {
                    $return.= 'INSERT INTO '.$table.' VALUES(';
                    for($j=0; $j<$num_fields; $j++)
                    {
                        $row[$j] = addslashes($row[$j]);
                        $row[$j] = ereg_replace("\n","\\n",$row[$j]);
                        if (isset($row[$j])) { $return.= '"'.$row[$j].'"' ; } else { $return.= '""'; }
                        if ($j<($num_fields-1)) { $return.= ','; }
                    }
                    $return.= ");\n";
                }
            }
            $return.="\n\n\n";
        }

        //save file
        $file = 'thrm-' . time() . '-.sql';
        $link = ROOT_URL . 'temp/' . $file;
        $file = ROOT . 'temp' . DS . $file;
        file_put_contents($file, $return);
        return $link;
    }
}